/* 优设标题黑 */
@font-face{
  font-family: 'ys'; 
  src: url('./YouSheBiaoTiHei.ttf');
  font-weight: normal; 
  font-style: normal; 
}
/* 思源黑体 */
@font-face{
  font-family: 'sy-m'; 
  src: url('./SourceHanSansCN-Medium.otf');
  font-weight: normal; 
  font-style: normal; 
}
/* 思源黑体 */
@font-face {
  font-family: 'sy-r';
  src: url('./SourceHanSansCN-Regular.otf');
  font-weight: normal;
  font-style: normal;
}
/* 思源黑体 */
@font-face {
  font-family: 'sy-b';
  src: url('./SourceHanSansCN-Bold.otf');
  font-weight: normal;
  font-style: normal;
}